:root{color-scheme:light;--ink:#173e38;--paper:#fbfaf5}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;line-height:1.85;word-break:keep-all}a{color:inherit;text-underline-offset:5px}header,footer{max-width:1120px;margin:auto;padding:24px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}header{border-bottom:1px solid #dbe2d5}nav{display:flex;gap:18px;flex-wrap:wrap}.brand{font-size:24px;font-weight:800;text-decoration:none}main{max-width:850px;margin:auto;padding:50px 24px 70px;min-width:0}h1{font-size:clamp(30px,5vw,46px);line-height:1.35;letter-spacing:-1.2px}h2{font-size:26px;line-height:1.45;margin-top:44px}p,li{font-size:18px}article>p:first-of-type strong{font-weight:750}.eyebrow,.byline,.editorial{font-size:14px;color:#597167}.editorial{border-top:1px solid #dbe2d5;padding-top:20px}article p:has(a[href='/math/#apply']) a{display:inline-block;background:var(--ink);color:white;text-decoration:none;border-radius:10px;padding:14px 20px}pre{overflow:auto;max-width:100%}.card{border:1px solid #dbe2d5;border-radius:18px;padding:24px;margin-top:32px}.card h2{margin-top:12px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;padding:12px}footer{border-top:1px solid #dbe2d5;font-size:14px}@media(max-width:600px){main{padding-top:30px}nav{gap:10px;font-size:14px}p,li{font-size:17px}h2{font-size:23px}}
